EGFR by qPCR Epidermal growth factor receptor; ERBB; ERRP; HER1; mENA; ERBB1; PIG61; NISBD2; T790M; Exon_19 Deletion; L858R; L861Q; S768I; G719A; G719S; G719C; 2319-2320 insCAC; 2310-2311 insGGT; 2307-2308 insGCCAGCGRG (ins9). 81235, 88381, G0452, 88363